Operating System (OS)
A program

None of these
is a device that performs a sequence of operations specified by instructions in memory.
is typically characterized by interactive processing and time of the CPU
is the device where information is stored
is a sequence of instructions

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Operating System (OS)
The FIFO algorithm

executes first the job with the least processor needs
execute first the job that has been in the queue the longest
None of these
executes first the job that first entered the queue
executes first the job that last entered the queue

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